package org.daochong.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;

import org.daochong.web.WebUtils;

public class NoCacheFilter implements Filter {

	public void init(FilterConfig filterConfig) throws ServletException {

	}

	public void doFilter(ServletRequest request, ServletResponse resp, FilterChain chain)
			throws IOException, ServletException {
		HttpServletResponse response = (HttpServletResponse) resp;
		WebUtils.noCache(response);
	}

	public void destroy() {

	}

}
